Home / 12,114.08-16,715.93-7,010.47

Finding the Fourth Proportional to 12,114.08, 16,715.93 and 7,010.47

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Solution

The fourth proportional to 12,114.08, 16,715.93 and 7,010.47 is: 9,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.08 : 16,715.93 = 7,010.47 : x
  2. Step 2: Convert to fraction form
    12,114.08/16,715.93 = 7,010.47/x
  3. Step 3: Cross multiply
    12,114.08x = 16,715.93 × 7,010.47
  4. Step 4: Simplify right side
    12,114.08x = 117,186,525.79
  5. Step 5: Solve for x
    x = 117,186,525.79/12,114.08
  6. Step 6: Final answer
    x = 9,673.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.